Species
Arctic Grayling
Thymallus arcticus · family Salmonidae
Live · updated
The sail-finned salmonid of the far north — instantly known by its huge, iridescent dorsal fin. A staple of Alaska’s clear interior rivers and lakes (and a relict in a few Montana and Wyoming waters), it rises eagerly to dry flies in cold, fast water through the brief subarctic summer. Lightly pressured and abundant where it occurs.
Preferred conditions
- Water temp
- 39–60°F (ideal 50°F)
- Tide
- either
- Moon
- either
- Depth
- 1–12 ft
- Active months
- May, Jun, Jul, Aug, Sep
Best arctic grayling conditions today
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Regulations by jurisdiction
NTAK
non tidal-trout
- Creel
- 10
Arctic grayling: 10/day, 10 in possession, no size limit on most waters; some drainages are more restrictive. Alaska adjusts limits by Emergency Order in-season — check the ADF&G hotline or app the day you fish.
Source · verified 2026-06-03